Valorant VAN 9003 Error Fix - Windows 11 TPM Secure Boot Sol
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よくある質問
Frequently Asked Questions
What causes the VAN 9003 error in Valorant?
The VAN 9003 error in Valorant is typically caused by missing or disabled TPM (Trusted Platform Module) and Secure Boot settings on Windows 11. These security features are required to run Valorant.
How do I enable TPM and Secure Boot on Windows 11?
To enable TPM and Secure Boot, restart your PC and enter BIOS/UEFI settings. Look for TPM (sometimes listed as PTT for Intel or fTPM for AMD) and Secure Boot options, then enable them. Save changes and exit.
Will this fix work for League of Legends VAN 9003 error?
Yes, the same solution applies to League of Legends as both games use Riot Vanguard anti-cheat which requires TPM and Secure Boot on Windows 11.